div.师悟生谈框架{
    background-color: #e4eaef;
    width: 360px ;
    height: 640px ;
    border: 1px solid black;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);

}

div.讨论室{
    width: auto;
    height: 50px;
    text-align: center;
    line-height: 50px;
    background-color: #6391c4;
}

img.活动列表{
    box-sizing: border-box;  /*border计算在width中*/
    width: 30px;
    height: 32px;
    margin-left: 30px;
    margin-top: 10px;
    border:1px solid black;
    float:left;
}

p.讨论室标题{
    box-sizing: border-box;  /*border计算在width中*/
    width: 80px;
    height: 100px;
    margin-left: 80px;
    margin-top: 0px;
    float:left;
    color: white;
}

img.群公告{
    box-sizing: border-box;  /*border计算在width中*/
    width: 29px;
    height: 29px;
    margin-left: 80px;
    margin-top: 10px;
    border:1px solid black;
    float:left;
}


div.发送输入框{
    width: 100%;
    height: 60px;
    position: fixed;
    bottom: 60px;
    background-color: #c4ced9;
}

input.输入内容{
    width: 250px;
    height: 30px;
    position: fixed;
    bottom: 60px;
    display: inline;
    margin-left: 10px;
}

button.发送{
    width: 80px;
    height: 30px;
    position: fixed;
    bottom: 60px;
    display: inline;
    margin-left: 280px;
}





div.底部导航栏{
    background-color: #F4F5F6;
    width: 100%;
    height: 60px;
    position: fixed;
    bottom: 0;
}

div.img{
    padding-left: 15px;
    padding-top: 5px;
}

div.img img {
    width: 50px;
    height: 30px;
}

div.图片下面文字 {
    width: 50px;
    height: 30px;
    padding: 1px;
    font-size: 10px;
    text-align: center;
}

div.点击图片响应 {
    padding: 0 0px;
    float: left;
    width: 71px;
}



